If \\alpha and \\beta are the roots of the equation 1+x+x^{2}=0, then the matrix product[\table 1, \\beta;\\alpha, \\alpha ][\table \\alpha,\\beta; 1 , \\beta ] is equal to

Correct Answer is : [−1−1−12]

UPSC NDA Math Model Paper 3

Question : 28 of 120

Marks: +1, -0

If α and β are the roots of the equation 1+x+x2=0, then the matrix product[

1	β
α	α

][

α	β
1	β

] is equal to

Go to Question:

Prev Question

Next Question

α+β	β+β2
α+α2	αβ+αβ

−1	−1
−1	2

1	−1
−1	2

−1	−1
−1	−2

−1	−1
−1	2